WO2014044550A1 - Système d'amortissement d'un dispositif de transmission d'énergie électrique monté de manière à pouvoir osciller - Google Patents

Système d'amortissement d'un dispositif de transmission d'énergie électrique monté de manière à pouvoir osciller Download PDF

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Publication number
WO2014044550A1
WO2014044550A1 PCT/EP2013/068450 EP2013068450W WO2014044550A1 WO 2014044550 A1 WO2014044550 A1 WO 2014044550A1 EP 2013068450 W EP2013068450 W EP 2013068450W WO 2014044550 A1 WO2014044550 A1 WO 2014044550A1
Authority
WO
WIPO (PCT)
Prior art keywords
damping
damping elements
elements
support frame
arrangement according
Prior art date
Application number
PCT/EP2013/068450
Other languages
German (de)
English (en)
Inventor
Frank BACKE
Michael Bartz
Ulf HEINRICH
Helmut Holler
Gunther KRAUSSE
Claude PROSTE
Beat Schmied
Arkadius Peter Szepanski
Jörg Teichmann
Achim VON SECK
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to BR112015006315A priority Critical patent/BR112015006315A2/pt
Priority to NZ705744A priority patent/NZ705744A/en
Priority to EP13763204.8A priority patent/EP2880727B1/fr
Priority to CN201380048963.2A priority patent/CN104641521B/zh
Priority to US14/430,610 priority patent/US9893506B2/en
Publication of WO2014044550A1 publication Critical patent/WO2014044550A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/54—Anti-seismic devices or installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/046—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means using combinations of springs of different kinds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • F16F7/14—Vibration-dampers; Shock-absorbers of cable support type, i.e. frictionally-engaged loop-forming cables

Definitions

  • the invention relates to a damping arrangement of a vibrationally mounted electric power transmission device with a support frame, which is connected via a plurality of damping elements with at least one particular stationary abutment.
  • Such a damping arrangement is known for example from German Utility Model DE 295 14 924 Ul. There is a unit with protection against earthquakes described. An overvoltage arrester of the assembly is supported on a four-armed support body. The four-armed support body in turn is supported by four wire rope springs on a foundation.
  • the measures provided for in the known damping arrangement damping elements allow a swinging of the local surge arrester. At Studentswoodsabieiter occurring forces can be converted into heat in the damping elements.
  • the damping elements serve on the one hand ei ⁇ nem oscillating bearings of the surge arrester and on the other a damping of vibration.
  • the known damping arrangement is designed to damp occurring within a schma ⁇ len band vibrations.
  • Damping elements serve to damp a movement in order, for example, to dampen a vibration amplitude.
  • Such damping elements can be arranged for example on a supporting frame, which in turn is connected via the damping elements with at least one, in particular stationary ⁇ fixed abutment.
  • a support frame components are understood those that are used for transmitting forces, in particular holding and supporting forces, the total ⁇ system.
  • housing, support legs, struts, etc. which are not directly connected to the Dämpfungsele ⁇ elements, act as a support frame.
  • foundations can be used as a fixed abutment.
  • the support frame is used to form a platform for positioning an electric power transmission device and to absorb forces originating from the electric power transmission device or acting on this electrical power transmission device and to introduce them into the damping elements.
  • the damping elements for example in the form of
  • Be prepared wire rope springs on the one hand enable a swinging of the support frame and on the other hand bring about a damping of movement of the support frame due to the internal friction.
  • the different design damping rates cause the intensity of the conversion of kinematic energy into, for example, thermal energy in the first and second damping elements to differ from one another.
  • the first damping element operates ver ⁇ weaker than the second damping element.
  • the damping elements can serve to dampen a movement; on the other hand, the damping elements can also serve for a swingable support of the support frame.
  • the damping elements can position the support frame against Widerla ⁇ like.
  • all the damping elements or only the first or only the second damping elements can also serve to support and position the support frame and thus the electric power transmission device.
  • all first and second damping elements provide both a supporting function fulfillment ⁇ len and a damping effect on the supporting frame rela ⁇ tive to the abutments.
  • damping elements with different rated attenuation rates makes it possible to dampen only the first damping elements, for example during light vibrations of the support frame, whereas the second damping elements are effectively integrated into a damping process only when a certain deflection or frequency of movement of the support frame is exceeded.
  • a parallel arrangement of the first and second damping elements By a parallel arrangement of the first and second damping elements, a stabilization of a Be ⁇ movement of the support frame and a support of the support frame is given if necessary.
  • An electric power transmission device is to be understood as meaning all those devices which serve to transmit electrical energy, for example via current-carrying phase conductors.
  • an electric power transmission device are, for example, circuit breakers, disconnectors, earthing switches, busbar sections, surge arrester conductors, current transformers, voltage transformers, switchgear, etc.
  • the electric power transmission devices can be used, for example, in the high and medium voltage range.
  • the damping behavior can be determined on the support frame by the damping elements with higher rated attenuation ⁇ rates at an occurrence of larger forces that lead to increased movements.
  • At least the first and / or at least the second damping element has / have substantially linear damping behavior.
  • a linear damping behavior allows an approximately proportional increase in the damping effect with increasing deflection of the support frame.
  • a substantially linear path-time course should set.
  • the use of differing damping characteristics for the first and the second damping element leads to a resul ⁇ animal ends damping rate on the support frame.
  • the linearity curve of the resulting attenuation rate can have an increased bandwidth of a linear attenuation effect.
  • their force-displacement characteristics should be approximately equal. Thus, it is possible to initiate movements in parallel in the first and the second damping element. Only the damping of the movement at the first and second damping element run differently from each other.
  • first and second damping element for supporting the Dämp ⁇ fung arrangement.
  • Deviating can also be provided to use damping elements with different force-displacement characteristics, so that a resultant force-path characteristic curve for the Ge ⁇ overall system is established.
  • a further advantageous embodiment may provide that a plurality of damping members distributed along a path are angeord ⁇ net, said first and second trajectory in Dämpfungsele ⁇ elements alternate with each other.
  • a web can have various paths.
  • a web can be linearly stretched, curved or self-contained, in particular circular.
  • the various damping elements are to be positioned, wherein the damping elements should be arranged alternately in the course of the web.
  • a first or a two ⁇ tes damping element is flanked by second or first damping elements.
  • the difference ⁇ union rated damping rates of the first and second damping elements can be overlapped distributed along the web. This ensures that as uniform as possible transmission and initiation of movements of the oscillatory system on / in the damping elements takes place on the support frame. Thus, punctual overloads can be avoided on the support frame.
  • the electric ⁇ energy transmission device when using a self-contained trajectory, for example circular, rectangular or even more polygonal trajectories, the electric ⁇ energy transmission device can be positioned with the support frame centrally in a region encompassed by the web.
  • the support frame centrally has a receiving area, of which radially outwardly extending support sections, for example support ⁇ arms are arranged at the ends of which the corresponding damping elements are located.
  • the first and the second damping element have the same design.
  • damping elements allow, for example, to use standardized damping elements and, if necessary, to combine them and to install them on the damping arrangement. Same designs make it possible to use modular constructions.
  • all damping elements can be designed in the form of wire rope springs.
  • first and the second damping element have different types of construction.
  • damping elements leads to greater diversity in matching the different rated attenuation rates. So it is possible, for example, as the first damping element
  • Use wire rope spring and use as a second damping element for example, a hydraulic damper.
  • the use of different designs further allows, for example, only use the first damping elements for supporting and supporting the support frame, whereas the second damping elements are kept free of bearing forces and only act damping in movements.
  • first and / or the second damping element in the manner of a friction ⁇ damper acts / act.
  • Friction damper have a relatively simple structure, since relative movements are damped by friction losses.
  • a friction damper for example, leaf springs, elastomer springs, coil springs or wire rope springs used. Such friction dampers are comparatively low in wear and require little maintenance.
  • a further advantageous embodiment can provide that the first and / or the second damping element acts / act in the manner of a hydraulic damper.
  • the second damping elements ie the damping elements which have a greater rated damping rate, should be equipped with an approximately linear damping behavior. This should be inde pendent ⁇ provided on the design of the damping element.
  • a further advantageous embodiment can provide that the first and / or the second damping element acts / act in the manner of a pneumatic damper.
  • the use of gases to generate damping forces enables low-mass damping elements at high damping forces .
  • Hydraulic and pneumatic damper damping elements should preferably serve only to damp a movement and be freed from supporting and holding forces of the support frame.
  • a further advantageous embodiment can provide that the damping element with the lower rated attenuation ⁇ rate supports the support frame.
  • Damping elements with the lower rated attenuation rate can support the support frame against an abutment.
  • a system is given, which initiates forces in low energy movements on the support frame in the abutment.
  • additional holding mechanisms which the support frame opposite Positioning the abutment, so are not necessary.
  • the first damping element or the group of ers ⁇ th damping elements can with a lower evaporation rate Beumpssdämp- a support function and the holding function for the supporting frame to exercise.
  • the damping element or the group of damping elements which have a higher rated damping rate, but can be used to assist in the support of the support frame.
  • wire rope springs can be used, which have different damping rates. This is possible, for example, in that different types of stranding / wires of different materials are stranded together or the surface structure of the stranded wires have different coefficients of friction, so that different damping characteristics are given for similar vibration behavior. Different friction coeffi ⁇ cients can be achieved by surface coatings chenschutz such as galvanizing or galvanic surface-.
  • Figure 1 is a view of a damping arrangement with a
  • Figure 2 is a view of a wire rope spring
  • Figure 3 is a plan view of that of the figure 1 known
  • FIG. 1 shows a side view of an electrical energy transmission device.
  • the electric power transmission ⁇ device is equipped with a handle 1.
  • the stem 1 is part of a support frame 2.
  • a drive device 3 is supported on the stem 1.
  • the drive device 3 is housed in a protective housing against weathering.
  • the power device 3 is used for driving relatively movable switching contact pieces of a breaker unit of a circuit breaker 4.
  • the circuit breaker 4 has a base with a column insulator 5, which is supported on the end of the stem 1, on which the drive device 3 ⁇ is arranged ,
  • the column insulator 5 is made hollow, so that a transmission of a given by the drive device 3 movement can take place via a kinematic chain in the interior of the column insulator 5 and can be transmitted to the relatively movable switching contact pieces of the circuit breaker.
  • the support frame 2 is supported on a foundation 6.
  • Foundation 6 is anchored in the ground and serves as Widerla ⁇ ger.
  • the support frame 2 is supported on the foundation 6 via a plurality of first and a plurality of second damping elements 7, 8.
  • the damping elements 7, 8 are angeord- along a circular path net, which circumferentially successively on the circular path each have a first and a second damping element 7, 8 is arranged at ⁇ .
  • the number of first and second damping elements should be performed evenly 7.8, so that in a closed circulation of the web a continuous change between the first and second damping elements 7, 8 is given.
  • the first and second damping elements 7, 8 have different rated damping rates, ie, the first damping elements 7 are equipped with a lower rated damping rate than the rated damping rate of the second damping elements 8.
  • the first damping elements 7 convert kinetic energy to a lesser extent in other energy ⁇ shapes, for example, heat, than the second Dämpfungsele ⁇ elements 8.
  • the present, the first and second damping elements 7, 8 are respectively on the same types.
  • the use of Drahtseilfederdämpfern is provided.
  • a construction of a wire rope spring damper is shown in FIG.
  • a wire spring damper has a multi-stranded wire rope 9, which is helically wound under elastic deformation.
  • a first yoke 10 and a second yoke 11 are provided in the direction of the winding axis of the wire rope 9.
  • the yokes 10, 11 are aligned substantially parallel to one another and lie on the shell side on opposite sides of the wound wire rope 9. In the present case, the yokes 10,
  • the cable springs of the first damping elements 7 have a lower intrinsic attenuation / friction than the wire rope ⁇ feathers of the second damping elements.
  • both the first and the second damping elements 7, 8 are used for storage of the electric power transmission device.
  • first damping elements 7, which have the reduced rated damping rate perform a support function for the electrical power transmission device.
  • the outer shape of the damping elements 7, 8 used is identical regardless of their respective rated damping rate.
  • a similar number of turns Preferably, in each case a similar number of turns, a similar dimensioning of the turns and a use of similar yokes 10, 11 are provided.
  • the damping rate is essentially determined by the type of stranding of the wires of the wire rope 9 and their Oberflä ⁇ chenbelvesheit, ie, the intrinsic friction behavior of the wires of the wire 9.
  • first and second damping elements 7, 8 are made.
  • first and second damping elements 7, 8 can also be used for the first and the second damping elements 7, 8 from ⁇ different types.
  • friction dampers such as coil springs, leaf springs, elastomeric bumps, etc.
  • a hydraulic damper or a pneumatic damper in the manner of a hydraulic spring or in the manner of a gas spring is used as the damping element.
  • FIG 3 is a plan view of the support frame 2 Darge ⁇ represents.
  • the support frame 2 has an octagonal base plate 14, which is executed essentially flat.
  • a plurality of substantially rectangular receiving plates 15 with the base plate 14 angle ⁇ rigidly connected On a circular path, which is arranged centrally to the center of the octagonal base plate 14, a plurality of substantially rectangular receiving plates 15 with the base plate 14 angle ⁇ rigidly connected.
  • one of the receiving plates 15 bounding outer edge is aligned substantially parallel or lot ⁇ right to a body edge of the hexagonal base plate 14.
  • the receiving plates 15 are thereby, the sides between the eight corners of the base plate 14 outstanding, Flä ⁇ chig connected to the base plate 14.
  • the receiving plates 15 are thus arranged distributed on a circular path / a polygon around the Zent ⁇ rum of the base plate 14.
  • Receiving plates 15 are pivoted in a circular circulation in each case by an angular extent of 45 °. Accordingly erge ⁇ ben in circulation eight support plates 15 which serve to receive four first damping elements 7 and four second damping elements. 8
  • the positions of the four first damping elements 7 is denoted by the Roman numerals I, II, III and IV.
  • the position of the four second damping ⁇ elements 8 is marked with the Roman numerals V, VI, VII and VIII.
  • the first and second damping elements 7, 8 designed as wire-spring absorbers are positioned on the support frame 2 such that the winding axes (as well as the longitudinal axes of the yokes 10, 11) are aligned parallel to the sides of the octagon of the base plate 14.
  • the winding axes of the wire springs are each substantially perpendicular to the perpendicular bisector 17 of the sides of the base plate 14.
  • the two groups of first and second damping elements 7, 8 are involved in a oscillatory support of the carrier frame 2, whereby due to the choice of the Rated attenuation rates initially at least substantially only the first damping elements 7, ie, the damping elements with the lower rated damping rate, take on a deformation of a damping of the initiated movement.
  • the group of the second damping elements 8 initially exhibit no (or a pronouncedswei ⁇ se insignificantly small) damping action.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Power Engineering (AREA)
  • Vibration Prevention Devices (AREA)

Abstract

L'invention concerne un système d'amortissement d'un dispositif de transmission d'énergie électrique (4) monté de manière à pouvoir osciller et comprenant une structure porteuse (2) qui est reliée à des supports de montage fixes (6) par plusieurs éléments d'amortissement (7, 8). Le système d'amortissement comporte un groupe formé d'un premier et d'un deuxième élément d'amortissement (7, 8) qui présentent des coefficients d'amortissement différents et relient parallèlement et fonctionnellement la structure porteuse (2) aux supports de montage (6). La combinaison d'éléments d'amortissement (7, 8) présentant des coefficients d'amortissement différents permet d'amortir favorablement aussi bien de légers mouvements que des mouvements violents, par exemple des séismes.
PCT/EP2013/068450 2012-09-24 2013-09-06 Système d'amortissement d'un dispositif de transmission d'énergie électrique monté de manière à pouvoir osciller WO2014044550A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
BR112015006315A BR112015006315A2 (pt) 2012-09-24 2013-09-06 arranjo de amortecimento para um dispositivo de transmissão de energia elétrica
NZ705744A NZ705744A (en) 2012-09-24 2013-09-06 Damping arrangement of a swingably mounted electrical-energy transmission device
EP13763204.8A EP2880727B1 (fr) 2012-09-24 2013-09-06 Système d'amortissement d'un dispositif de transmission d'énergie électrique monté de manière à pouvoir osciller
CN201380048963.2A CN104641521B (zh) 2012-09-24 2013-09-06 可摆动地支承的电能传输设备的减震装置
US14/430,610 US9893506B2 (en) 2012-09-24 2013-09-06 Damping arrangement for an oscillatably mounted electrical energy transmission device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012217189.4 2012-09-24
DE102012217189.4A DE102012217189A1 (de) 2012-09-24 2012-09-24 Dämpfungsanordnung einer schwingfähig gelagerten Elektroenergieübertragungseinrichtung

Publications (1)

Publication Number Publication Date
WO2014044550A1 true WO2014044550A1 (fr) 2014-03-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/068450 WO2014044550A1 (fr) 2012-09-24 2013-09-06 Système d'amortissement d'un dispositif de transmission d'énergie électrique monté de manière à pouvoir osciller

Country Status (8)

Country Link
US (1) US9893506B2 (fr)
EP (1) EP2880727B1 (fr)
CN (1) CN104641521B (fr)
BR (1) BR112015006315A2 (fr)
CL (1) CL2015000741A1 (fr)
DE (1) DE102012217189A1 (fr)
NZ (1) NZ705744A (fr)
WO (1) WO2014044550A1 (fr)

Cited By (2)

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DE102015213750A1 (de) * 2015-07-21 2017-01-26 Sebert Schwingungstechnik Gmbh Dämpfungsanordnung
WO2020052965A1 (fr) * 2018-09-13 2020-03-19 Siemens Aktiengesellschaft Anneau anti-corona pour un dispositif haute tension

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CN105240449A (zh) * 2015-10-13 2016-01-13 成都聚智工业设计有限公司 电力设施减震装置
CN105406374B (zh) * 2015-11-27 2018-02-09 同济大学 一种可调节安装位置的抗震型变电站支柱设备连接装置
DE102017116531A1 (de) 2017-07-21 2019-01-24 Geobrugg Ag Energieabsorptionsvorrichtung
CN109412429B (zh) * 2018-11-08 2024-04-05 中国电力工程顾问集团西南电力设计院有限公司 特高压换流站高压直流旁路开关回路减震结构
DE102019204307A1 (de) * 2019-03-28 2020-10-01 Siemens Aktiengesellschaft Überwachungsverfahren einer Elektroenergieübertragungseinrichtung
CN110949619A (zh) * 2019-11-06 2020-04-03 许继电气股份有限公司 一种柔性直流换流阀抗震装置
CN111082337B (zh) * 2019-11-28 2022-05-13 国网山东省电力公司滨州市滨城区供电公司 一种低压电能计量箱雨遮装置
CN112821252B (zh) * 2021-01-21 2022-09-09 山东云开电力有限公司 一种防碰撞配电柜
CN114750700A (zh) * 2022-05-05 2022-07-15 黄山联合应用技术研究院 一种移动应急目标探测车用的折叠倒伏升降装置

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KR100991972B1 (ko) * 2010-06-16 2010-11-04 주식회사 광무기전 수배전반용 방진구
KR101134503B1 (ko) * 2011-12-23 2012-04-13 (주)서전기전 강지진 흡수형 비선형 와이어 로프 및 비선형 폴리우레탄 스프링을 조합한 복합형 스프링장치

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DE102015213750A1 (de) * 2015-07-21 2017-01-26 Sebert Schwingungstechnik Gmbh Dämpfungsanordnung
WO2020052965A1 (fr) * 2018-09-13 2020-03-19 Siemens Aktiengesellschaft Anneau anti-corona pour un dispositif haute tension

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EP2880727B1 (fr) 2017-06-28
EP2880727A1 (fr) 2015-06-10
CL2015000741A1 (es) 2015-06-05
CN104641521B (zh) 2018-08-17
NZ705744A (en) 2017-06-30
DE102012217189A1 (de) 2014-03-27
CN104641521A (zh) 2015-05-20
US9893506B2 (en) 2018-02-13
US20150255973A1 (en) 2015-09-10
BR112015006315A2 (pt) 2017-07-04

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